I think the most critical consequence of the advancement of the amniotic egg it the tetrapods were no longer attached to the water for reproduction.The amniotic egg permits reptiles, flying creatures, and warm-blooded creatures to lay eggs ashore without drying out. The liquid filled depression containing the incipient organism is isolated from the outer condition by an amniotic sac that is impermeable to water.
Plants give off oxygen (that we breathe)and breathe in our carbon dioxide that we exhale
<span>Phosphorous cycle. </span> It differs from the other major biogeochemical cycles in that it does not include a gas phase
Answer:
c. mid-adulthood
Explanation:
This stage of life when gray hairs become overwhelming in number and he has more gray hairs than brunette( brown hair) is called middle adulthood. Middle adulthood spans from 20 to 40 years of life which may be defined differently for different culture and country.
Robert is in his late mid adulthood somewhere near 40 at this age hair generally grow grey.
Answer:
a mutant dominant allele is expressed in very individual who inherits even one copy points a seriosbdisorder where people can die young and fail to reproduce so basically a dominant allele with die out of population
